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February 07 2010
Nanomedicine expert discusses nanotechnology's role in the fight against cancer
A world-renowned medical researcher discusses the key role that nanotechnology has begun to play in the detection and treatment of cancer in an article that will appear in the March 2010 edition of Mechanical Engineering magazine.
Ground Breaking Molecular Diagnostics Business Appoints New CEO
D3 Technologies Ltd, a world leading provider of trace level detection technologies based on the exploitation of Surface-Enhanced Raman Scattering (SERS) and Surface-Enhanced Resonance Raman Scattering (SERRS), today announced that it has appointed David Burns as its new Chief Executive Officer.
Urban growth, farm exports drive tropical deforestation
The biggest causes of deforestation in tropical countries are population growth in cities and agricultural exports, a finding that should shape decisions on preventing forest loss, experts said Sunday.
Drought in SW Australia linked to snowfall in Antarctica
A drought that has gripped the southwestern corner of Australia since the 1970s is linked with higher snowfall in East Antarctica, a phenomenon that may be rooted in global warming, scientists reported on Sunday.
Gene that improves quality of reprogrammed stem cells identified by Singapore scientists
In the 7 Feb. 2010 issue of the journal Nature, scientists at the Genome Institute of Singapore (GIS), report that a genetic molecule, called Tbx3, which is crucial for many aspects of early developmental processes in mammals, significantly improves the quality of stem cells that have been reprogrammed from differentiated cells.
Scientists identify first genetic variant linked to biological aging in humans
Scientists announced today they have identified for the first time definitive variants associated with biological ageing in humans. The team analyzed more than 500,000 genetic variations across the entire human genome to identify the variants which are located near a gene called TERC.
Virus-free technique enables scientists to easily make stem cells pluripotent
Tiny circles of DNA are the key to a new and easier way to transform stem cells from human fat into induced pluripotent stem cells for use in regenerative medicine, say scientists at the Stanford University School of Medicine. Unlike other commonly used techniques, the method, which is based on standard molecular biology practices, does not use viruses to introduce genes into the cells or permanently alter a cell's genome.
Inhibiting serotonin in gut could cure osteoporosis
An investigational drug that inhibits serotonin synthesis in the gut, administered orally once daily, effectively cured osteoporosis in mice and rats reports an international team led by researchers from Columbia University Medical Center, in the Feb. 7 issue of Nature Medicine. Serotonin in the gut has been shown in recent research to stall bone formation. The finding could lead to new therapies that build new bone; most current drugs for osteoporosis can only prevent the breakdown of old bone.
Found: Hawking's initials written into the universe
The latest version of the cosmic microwave background reveals some hidden surprises – what can you see lurking in the big bang's afterglow?
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Whalers, activists clash again off Antarctica
(AP) -- Anti-whaling ship the Bob Barker and a Japanese harpoon boat collided in icy Antarctic waters in the second major clash this year in increasingly aggressive confrontations between conservationists and the whaling fleet.
US publishers smile again as Kindle rivals emerge
US book publishers are smiling again, after years of watching digital versions of their titles sell for below what they thought they were worth.
India successfully tests nuclear-capable missile
(AP) -- India again successfully test-fired a nuclear-capable missile Sunday that can hit targets across much of Asia and the Middle East, a defense ministry statement said.
Macworld taking off without Apple on board
A Macworld conclave devoted to all things Apple gets under way this week without the technology sun around which the annual event has revolved for years.
Clouds force space shuttle delay, next try Monday
(AP) -- Clouds prevented space shuttle Endeavour from blasting off Sunday on the last planned nighttime shuttle launch, delaying its trip with a final few building blocks for the International Space Station.
Rob Hopkins: Getting over oil, one town at a time
The founder of the Transition Towns movement explains why he is optimistic that we can survive peak oil and minimise climate change
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PayPal halts certain payment transactions in India
(AP) -- The online payments service PayPal has taken the unusual step of suspending many transactions in India for more than a week.
Thousands of dinosaur footprints uncovered in China
Archaeologists in China have uncovered more than 3,000 dinosaur footprints, state media reported, in an area said to be the world's largest grouping of fossilised bones belonging to the ancient animals.
Beware of geoengineering using volcanoes' tricks
Volcanoes killed 27 per cent of marine genera 94 million years ago – fixing our climate with sulphate aerosols could inflict a similar fate on lakes
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Early abuse tied to more depression in children
A study of 500 low-income children ages 7 to 13, about half of whom had been abused and/or neglected, aimed to find out whether abuse early in life and feelings of depression affected cortisol ("stress hormone") levels. Study results suggest that there are different subtypes of depression, with atypical cortisol regulation occurring among children who were abused before age 5.
Sunny Record: Breakthrough for Hybrid Solar Cells
Scientists in Germany have succeeded in developing a method for treating the surface of nanoparticles which greatly improves the efficiency of organic solar cells. The researchers were able to attain an efficiency of 2 percent by using so-called quantum dots composed of cadmium selenide. These measurements, well above the previous efficiency ratings of 1 to 1.8 percent, were confirmed.
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